# YellowGrid vs SeifGuard

The clearest difference is in-app purchases: YellowGrid at none against SeifGuard's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SeifGuard sells 2 in-app purchases, starting at $4.99 per month. YellowGrid asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | YellowGrid | SeifGuard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/yellowgrid/id6747118921/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free | — |
| Size | 94 MB | 46 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YellowGrid](https://appshunter.io/developer/1896555484) | [seifguard](https://appshunter.io/developer/1878658542) |

## What reviewers say

### YellowGrid

[App page](https://appshunter.io/ios/app/yellowgrid/id6747118921)

Monitor your solar energy production and consumption in real time. Track your earnings from selling surplus energy to the grid and manage your battery reserves. Connect your solar system to a network for trading and receive monthly proceeds.

**Highlights:** Real-time energy production and consumption monitoring, Surplus energy tracking to the grid, Earnings and monthly payment tracking, Battery capacity reservation, Connect solar systems for energy trading, Assistance with solar installation

**Features:** macOS Compatibility

**In-app purchases:** none


### SeifGuard

[App page](https://appshunter.io/ios/app/seifguard-app-blocker/id6759449449)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $29.99 | per year |


## Frequently asked questions

### Is YellowGrid free?

YellowGrid is free to download, with no in-app purchases.

### Is SeifGuard free?

SeifGuard is free to download, with in-app purchases available.

### Do YellowGrid or SeifGuard have ads?

Neither YellowGrid nor SeifGuard shows ads.

### Which is updated more often, YellowGrid or SeifGuard?

YellowGrid ships an update fortnightly, and SeifGuard fortnightly. Most recently, YellowGrid was updated on October 12, 2026 and SeifGuard on October 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*